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@article{JRAM_1971__248_151113, author = {P. Wynn}, title = {On an extension of a result due to {P\'olya.}}, journal = {Journal f\"ur die reine und angewandte Mathematik}, pages = {127--132}, publisher = {mathdoc}, volume = {248}, year = {1971}, zbl = {0219.30002}, url = {http://geodesic.mathdoc.fr/item/JRAM_1971__248_151113/} }
P. Wynn. On an extension of a result due to Pólya.. Journal für die reine und angewandte Mathematik, Tome 248 (1971), pp. 127-132. http://geodesic.mathdoc.fr/item/JRAM_1971__248_151113/